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\begin{tabular}{lcccc} \hline
 & (1) & (2) & (3) & (4) \\
VARIABLES & Male & White & Age & Accident \\ \hline
 &  &  &  &  \\
RD\_Estimate & 0.006 & 0.006 & -0.140 & -0.003 \\
 & (0.006) & (0.005) & (0.164) & (0.004) \\
 &  &  &  &  \\
Observations & 89,967 & 89,967 & 89,967 & 89,967 \\
Controls & No & No & No & No \\
 Mean at (0.079) & 0.787 & 0.845 & 34.90 & 0.100 \\ \hline
\multicolumn{5}{c}{ Standard errors are in parentheses.} \\
\multicolumn{5}{c}{ ** Significant at the 5 percent level.} \\
\multicolumn{5}{c}{ )} \\
\end{tabular}
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